This is when forgiveness is easiest of all. He cannot think, he's had no time to process anything. He's moving around by auto-pilot (not to be crass). That his first tendency isn't to start blaming others speaks well of him. But I hope he isn't being too hasty.
I'm not at all sure where you're coming from. Are you proposing that Mr. Yoon should withhold his feelings of forgiveness, in case he decides later to lash out? I don't get that.
If you intend to convey that he may later try to sue the pilot or something, I don't quite know what to say in return...
I for one would be most disappointed if he turned his back on his current feelings, which are honorable and godly, and did something else instead.
Could you explain what you meant, please?
You may be correct as well. I cannot imagine how one copes with such a tremendous loss.